annotate src/video/dga/SDL_dgaevents.c @ 1911:7577fd11cee4

Create a fake desktop mode for windowed mode apps
author Sam Lantinga <slouken@libsdl.org>
date Sun, 16 Jul 2006 03:35:44 +0000
parents c121d94672cb
children
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* Handle the event stream, converting DGA events into SDL events */
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25
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26 #include <stdio.h>
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27 #include <X11/Xlib.h>
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28 #include "../Xext/extensions/xf86dga.h"
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29
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30 #include "../SDL_sysvideo.h"
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31 #include "../../events/SDL_events_c.h"
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32 #include "SDL_dgavideo.h"
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33 #include "SDL_dgaevents_c.h"
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34
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35 /* get function pointers... */
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36 #include "../x11/SDL_x11dyn.h"
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37
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38 /* Heheh we're using X11 event code */
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39 extern int X11_Pending(Display * display);
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40 extern void X11_InitKeymap(void);
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41 extern SDLKey X11_TranslateKeycode(Display * display, KeyCode kc);
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42
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43 static int
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44 DGA_DispatchEvent(_THIS)
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45 {
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46 int posted;
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47 SDL_NAME(XDGAEvent) xevent;
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48
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49 XNextEvent(DGA_Display, (XEvent *) & xevent);
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50
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51 posted = 0;
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52 xevent.type -= DGA_event_base;
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53 switch (xevent.type) {
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54
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55 /* Mouse motion? */
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56 case MotionNotify:
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57 {
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58 if (SDL_VideoSurface) {
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59 posted = SDL_PrivateMouseMotion(0, 1,
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60 xevent.xmotion.dx,
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61 xevent.xmotion.dy);
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62 }
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63 }
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64 break;
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65
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66 /* Mouse button press? */
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67 case ButtonPress:
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68 {
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69 posted = SDL_PrivateMouseButton(SDL_PRESSED,
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70 xevent.xbutton.button, 0, 0);
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71 }
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72 break;
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73
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74 /* Mouse button release? */
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75 case ButtonRelease:
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76 {
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77 posted = SDL_PrivateMouseButton(SDL_RELEASED,
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78 xevent.xbutton.button, 0, 0);
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79 }
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80 break;
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81
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82 /* Key press? */
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83 case KeyPress:
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84 {
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85 SDL_keysym keysym;
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86 KeyCode keycode;
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87 XKeyEvent xkey;
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88
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89 SDL_NAME(XDGAKeyEventToXKeyEvent) (&xevent.xkey, &xkey);
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90 keycode = xkey.keycode;
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91 #ifdef DEBUG_XEVENTS
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92 printf("KeyPress (X11 keycode = 0x%X)\n", xkey.keycode);
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93 #endif
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94 /* Get the translated SDL virtual keysym */
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95 keysym.scancode = keycode;
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96 keysym.sym = X11_TranslateKeycode(DGA_Display, keycode);
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97 keysym.mod = KMOD_NONE;
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98 keysym.unicode = 0;
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99
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100 /* Look up the translated value for the key event */
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101 if (SDL_TranslateUNICODE) {
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102 static XComposeStatus state;
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103 char keybuf[32];
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104
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105 if (XLookupString
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106 (&xkey, keybuf, sizeof(keybuf), NULL, &state)) {
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107 /*
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108 * FIXME: XLookupString() may yield more than one
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109 * character, so we need a mechanism to allow for
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110 * this (perhaps null keypress events with a
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111 * unicode value)
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112 */
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113 keysym.unicode = (Uint8) keybuf[0];
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114 }
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115 }
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116 posted = SDL_PrivateKeyboard(SDL_PRESSED, &keysym);
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117 }
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118 break;
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119
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120 /* Key release? */
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121 case KeyRelease:
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122 {
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123 SDL_keysym keysym;
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124 KeyCode keycode;
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125 XKeyEvent xkey;
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126
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127 SDL_NAME(XDGAKeyEventToXKeyEvent) (&xevent.xkey, &xkey);
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128 keycode = xkey.keycode;
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129 #ifdef DEBUG_XEVENTS
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130 printf("KeyRelease (X11 keycode = 0x%X)\n", xkey.keycode);
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131 #endif
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132 /* Get the translated SDL virtual keysym */
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133 keysym.scancode = keycode;
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134 keysym.sym = X11_TranslateKeycode(DGA_Display, keycode);
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135 keysym.mod = KMOD_NONE;
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136 keysym.unicode = 0;
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137 posted = SDL_PrivateKeyboard(SDL_RELEASED, &keysym);
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138 }
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139 break;
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140
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141 break;
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142
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143 }
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144 return (posted);
0
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145 }
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146
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147 void
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148 DGA_PumpEvents(_THIS)
0
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149 {
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150 /* Keep processing pending events */
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151 LOCK_DISPLAY();
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152 while (X11_Pending(DGA_Display)) {
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153 DGA_DispatchEvent(this);
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154 }
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155 UNLOCK_DISPLAY();
0
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156 }
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157
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158 void
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159 DGA_InitOSKeymap(_THIS)
0
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160 {
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161 X11_InitKeymap();
0
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162 }
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163
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164 /* vi: set ts=4 sw=4 expandtab: */